Cheesy Broccoli and Potato Casserole

Ingredients

• 1 head Broccoli (cut into bite‑size florets)
• 500 g Potatoes (peeled and cut into medium pieces)
• 1 piece Red Onion (thinly sliced)
• 200 g White Mushrooms (Champignons) (sliced)
• 2 tablespoons Olive Oil (for sautéing)
• 4 tablespoons Unsalted Butter (2 tbsp for sauce, 2 tbsp for drizzling)
• 2 tablespoons All-Purpose Flour (for roux)
• 500 ml Milk (room temperature)
• 200 g Mild Melting Cheese (grated (e.g., mozzarella or mild cheddar))
• 0.5 teaspoons Nutmeg (ground)
• 1 teaspoon Salt (for seasoning water and sauce)
• 0.5 teaspoons Black Pepper (freshly ground)
• 2 pieces Bay Leaves (for potato boiling water)
• 5 pieces Whole Peppercorns (for potato boiling water)

Instructions

1. Chop Broccoli

   Trim the broccoli head and cut into bite‑size florets.

   Time: PT5M

2. Boil Broccoli

   Add a pinch of salt to a pan of water, bring to a boil, add broccoli and cook for 2 minutes. Drain and set aside to cool slightly.

   Time: PT5M

3. Prep Potatoes

   Peel the potatoes and cut into medium‑sized pieces.

   Time: PT5M

4. Boil Potatoes

   Fill a pot with water, add salt, bay leaves, and peppercorns. Bring to a boil, add potatoes and cook until fork‑tender, about 15 minutes. Drain and let cool.

   Time: PT15M

5. Slice Onion and Mushrooms

   Thinly slice the red onion and slice the mushrooms.

   Time: PT5M

6. Sauté Onion & Mushrooms

   Heat olive oil in a medium pan over medium heat. Add onion slices, cook until softened, then add mushrooms, season with a pinch of salt and black pepper, and sauté until mushrooms release moisture, about 8 minutes.

   Time: PT8M

7. Make Béchamel Sauce

   In a saucepan melt 2 tbsp butter over low heat. Whisk in flour and cook 1 minute. Gradually whisk in milk, stirring constantly. Add salt, pepper, and nutmeg. Simmer on low, stirring, until thickened and smooth, about 10 minutes.

   Time: PT12M

8. Add Cheese to Sauce

   Stir the grated cheese into the warm béchamel until fully melted and the sauce is silky.

   Time: PT3M

9. Preheat Oven

   Preheat the oven to 180°C (350°F).

   Time: PT10M

   Temperature: 180°C

10. Assemble Casserole

    Drizzle a little olive oil in the glass baking dish. Layer as follows: a thin layer of cheese sauce, potatoes, a sprinkle of cheese, broccoli, sautéed mushrooms, repeat layers ending with sauce and a final generous sprinkle of cheese on top.

    Time: PT10M

11. Bake

    Place the assembled dish in the preheated oven and bake for 35 minutes, until the top is golden and bubbling.

    Time: PT35M

    Temperature: 180°C

12. Rest & Serve

    Remove from oven and let rest for 5 minutes before serving.

    Time: PT5M

Nutrition Facts

Calories

587

Protein

14 g

Carbohydrates

34 g

Fat

39 g

Fiber

3 g